989898989899048 has 64 divisors (see below), whose sum is σ = 1954480619520000. Its totient is φ = 468723727588032.

The previous prime is 989898989899031. The next prime is 989898989899049. The reversal of 989898989899048 is 840998989898989.

It is not an unprimeable number, because it can be changed into a prime (989898989899049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506662361 + ... + 4506882007.

It is an arithmetic number, because the mean of its divisors is an integer number (30538759680000).

Almost surely, 2^{989898989899048} is an apocalyptic number.

It is an amenable number.

989898989899048 is a deficient number, since it is larger than the sum of its proper divisors (964581629620952).

989898989899048 is a wasteful number, since it uses less digits than its factorization.

989898989899048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230654 (or 230650 counting only the distinct ones).

The product of its (nonzero) digits is 5015306502144, while the sum is 115.

The spelling of 989898989899048 in words is "nine hundred eighty-nine trillion, eight hundred ninety-eight billion, nine hundred eighty-nine million, eight hundred ninety-nine thousand, forty-eight".